Linux kernel 3.12.2 has been released few days before and all users are recommended to upgrade to the latest kernel. This release has many bug fixes and improvements that includes PowerPC, ia64, ARM, s390 and x86 fixes, numerous updated drivers, including USB, SCSI, Wireless, Bluetooth, ACPI and Nouveau, some filesystem improvements (NFS, Btrfs and XFS), sound improvements, as well as other bugfixes.